Watch List notes:

ATTICA, Athens. Circa 500/490-485/0 BC. AR Tetradrachm (21mm, 17.25 g, 8h). Helmeted head of Athena right / Owl standing right, head facing; olive spray behind; all within incuse square. Seltman Group M; Asyut Group IV; HGC 4, 1590. VF, toned, obverse die break on cheek.

Ex Classical Numismatic Group Electronic Auction 332 (6 August 2014), lot 15.